What is the difference between a ‘corrective document’ and a ‘substitute statement’ for USPTO assignments?

The key differences between a ‘corrective document’ and a ‘substitute statement’ for USPTO assignments are: Corrective Document: Used to fix minor errors in the original recorded document. Substitute Statement: Replaces the entire original document when substantial changes are needed. According to MPEP 323: “Where errors were made in the execution of the original assignment document…

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Can I correct an error in a recorded USPTO assignment document without submitting a new assignment?

Yes, you can correct certain errors in a recorded USPTO assignment document without submitting a new assignment. The process depends on the type of error: For minor typographical errors, use a Corrective Cover Sheet. For more substantial errors, submit a Substitute Statement. MPEP 323 states: “The ‘corrective document’ or ‘substitute statement’ will not be recorded…

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